======================================
| [   10.162606][  T187] softirqs last disabled at (47545): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.162608][  T187] Preemption disabled at:
| [   10.162609][  T187] 0x0
| [   10.162619][  T187] Tainted: [W]=WARN
[   10.162620][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.162622][  T187] Call Trace:
[   10.162624][  T187]  <TASK>
[   10.162625][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.162631][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.162636][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.162640][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.162645][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.162648][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.162653][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.162656][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.162659][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.162662][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.162663][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.162668][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.162673][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.162680][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.162682][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.162684][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.162688][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.162692][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.162694][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.162697][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.162699][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.162703][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.162707][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.162709][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.162714][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.162717][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.162719][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.162721][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.162724][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.162726][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.162729][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.162733][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.162736][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.162740][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.162744][  T187]  ? snapshot_read.cold (user.c:?)
[   10.162747][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.162749][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.162753][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.162756][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.162759][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.162761][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.162764][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.162768][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.162771][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.162773][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.162775][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.162778][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.162781][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.162784][  T187] RIP: 0033:0x7fa2b46a91b8
[   10.162786][  T187] Code: Unable to access opcode bytes at 0x7fa2b46a918e.

Code starting with the faulting instruction
===========================================
[   10.162787][  T187] RSP: 002b:00007ffcf4f70678 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.162796][  T187] RAX: ffffffffffffffda RBX: 00007fa2b47d9f88 RCX: 00007fa2b46a91b8
[   10.162797][  T187] RDX: 00007fa2b43f3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.162798][  T187] RBP: 00007ffcf4f706d0 R08: 0000000000000000 R09: 0000000000008010
[   10.162799][  T187] R10: 00007ffcf4f70490 R11: 0000000000000246 R12: 0000000000000001
[   10.162800][  T187] R13: 0000000000000000 R14: 00007fa2b47d8680 R15: 00007fa2b47d9fa0
| [   29.179240][  T361] softirqs last disabled at (34339): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.179242][  T361] Preemption disabled at:
| [   29.179242][  T361] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.179252][  T361] Tainted: [W]=WARN
[   29.179252][  T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.179254][  T361] Call Trace:
[   29.179255][  T361]  <TASK>
[   29.179257][  T361]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.179263][  T361]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.179265][  T361]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.179269][  T361]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.179273][  T361]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.179278][  T361]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.179280][  T361]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.179286][  T361]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.179289][  T361]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.179292][  T361]  put_chars (drivers/char/virtio_console.c:1176)
[   29.179294][  T361]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.179297][  T361]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.179300][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.179303][  T361]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.179307][  T361]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.179310][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.179311][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.179316][  T361]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.179317][  T361]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.179320][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.179323][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.179327][  T361]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.179331][  T361]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.179333][  T361]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   29.179336][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.179338][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.179342][  T361]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.179346][  T361]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.179348][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.179354][  T361]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.179356][  T361]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.179358][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.179361][  T361]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.179364][  T361]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.179366][  T361]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.179369][  T361]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.179373][  T361]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.179379][  T361]  ? xfrm_user_exit (net/xfrm/xfrm_user.c:2091) xfrm_user
[   29.179382][  T361]  _printk (kernel/printk/printk.c:2504)
[   29.179386][  T361]  ? snapshot_read.cold (user.c:?)
[   29.179393][  T361]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   29.179396][  T361] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[   29.179399][  T361]  do_one_initcall (init/main.c:1357)
[   29.179401][  T361]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   29.179406][  T361]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   29.179409][  T361]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   29.179414][  T361]  do_init_module (kernel/module/main.c:3117)
[   29.179417][  T361]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.179422][  T361]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   29.179425][  T361]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   29.179429][  T361]  load_module (kernel/module/main.c:3593)
[   29.179436][  T361]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   29.179441][  T361]  ? backing_file_read_iter (fs/backing-file.c:211)
[   29.179445][  T361]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.179449][  T361]  init_module_from_file (kernel/module/main.c:3790)
[   29.179452][  T361]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   29.179460][  T361]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.179464][  T361]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.179467][  T361]  idempotent_init_module (kernel/module/main.c:3802)
[   29.179470][  T361]  ? init_module_from_file (kernel/module/main.c:3791)
[   29.179476][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.179479][  T361]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.179485][  T361]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   29.179487][  T361]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.179491][  T361]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.179492][  T361]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.179495][  T361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.179497][  T361] RIP: 0033:0x7f8ed90a537d
[   29.179501][  T361] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   29.179502][  T361] RSP: 002b:00007ffdfd555248 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   29.179505][  T361] RAX: ffffffffffffffda RBX: 00005574a069f810 RCX: 00007f8ed90a537d
[   29.179507][  T361] RDX: 0000000000000000 RSI: 0000557466e1fffd RDI: 0000000000000000
[   29.179508][  T361] RBP: 00007ffdfd5552e0 R08: 0000000000000000 R09: 0000000000000000
[   29.179509][  T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557466e1fffd


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print